MCAC-UTSM-2008-05  Operation Limits 
Outdoor Units  47 
8. Operation Limits 
8.1 For 12000Btu/h: 
Cooling mode  Heating mode 
         Item 
Model 
Outdoor   Indoor   Outdoor   Indoor  
MOU-12HDN1 (-Q) 
21℃~43℃ 17℃~30℃ -5℃~24℃ 17℃~30℃ 
 
50
Range for 
intermittent operation
Range for intermittent operation
Range for continuous operation
Range for continuous 
operation
5
Indoor temperature(℃ WB)
Outdoor temperature(℃ DB)
30
24
20
15
10
5
 0
-5
-20
10 15 20 25 30
3025201510
15
20
25
30
35
40
43
Cooling
Heating
Outdoor temperature(℃ WB)
Indoor temperature(℃ DB)
 
8.2 For 1800Btu/h: 
Cooling mode  Heating mode 
         Item 
Model 
Outdoor   Indoor   Outdoor   Indoor  
MOU-18HDN1-Q 
-15℃~43℃ 17℃~30℃ -15℃~21℃ 17℃~30℃ 
      17     24     30 
43
40
35
30
25
20
15
10
5
0
-5
-15
cooling
  Indoor temp.( C)
0
Ambient
temp
.
( C)
0
17                24                       30      
21
6
-15
       Heating
    Indoor  temp. (° C)
A
m
b
i
e
n
t
 
 
t
e
m
p
.
(
°
C
)